TW202024968A - Wiring method, wiring system, storage medium, and electronic device of printed circuit board - Google Patents

Abstract

The present disclosure provides a wiring method, a wiring system, a storage medium, and an electronic device of a printed circuit board. The wiring method comprises: reading a default program file, wherein the default program file includes a program instruction written according to a default wiring rule; and executing the program instruction to control the wiring device to route the printed circuit board with parts according to the default wiring rule. The present disclosure can realize the wiring of the printed circuit board automatically and intelligently, reduce the labor cost and improve the wiring efficiency.

Description

Wiring method, wiring system, storage medium and electronic equipment of printed circuit board

The present invention relates to the technical field of printed circuit boards, in particular to a wiring method, wiring system, storage medium and electronic equipment of the printed circuit board.

With the continuous development of technology, the size of the printed circuit board (PCB) is getting smaller and smaller, but more and more functions are required, which means that more parts and components need to be placed in the limited board space. Lay more lines. As we all know, the traces of printed circuit boards need to meet many stringent requirements. Take 15G high-speed lines as an example. When routing the traces, the spacing should be large and the equal length should be within the error of 1 mil (1 mm = 39.37). Mils), the digging clearance area should be large, and the distance from the power cord should be far.

Obviously, for wiring personnel, it takes a lot of effort to lay out a bunch of clueless attribute lines into products that meet the requirements, especially for multi-layer boards (Multilayer PCB, MLB) and high-density connection boards, which usually takes a long time. Time to complete, the degree of automation is low.

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a printed circuit board wiring method, wiring system, storage medium and electronic equipment to solve the above problems in the prior art.

In order to achieve the above and other related purposes, the present invention provides a printed circuit board wiring method, including: reading a preset program file; the preset program file contains program instructions written according to the preset wiring rules; and executing the program instructions , To control the wiring equipment to wire the printed circuit board with parts according to the preset wiring rules.

In an embodiment of the present invention, the preset wiring rules include: wiring implementation rules; the wiring implementation rules include: specifying at least two wiring levels and their priorities, and specifying the attribute line types included in each wiring level; When wiring is implemented, the attribute lines of each level are laid out on the printed circuit board in this order of priority, and when the attribute lines of each level are laid out, they are laid out according to the shortest path of the attribute lines.

In an embodiment of the present invention, the preset wiring rules further include: wiring inspection rules; the wiring inspection rules include: specifying the layout standard corresponding to each attribute line; after completing the layout of an attribute line, check the attribute line Whether the layout result meets the corresponding wiring standard; if yes, implement the layout of the next attribute line; if not, adjust the wiring on the basis of the layout result until it meets the corresponding wiring standard.

In an embodiment of the present invention, the wiring implementation rule further includes: after all the attribute lines are laid out and meet the corresponding wiring standards, in the peripheral area of the preset type of attribute lines and the layers of the printed circuit board and the periphery The area corresponding to the area is dug out the clear area; the power layer is divided correspondingly according to each preset voltage value, and the grounding layer is divided.

In order to achieve the above and other related purposes, the present invention provides a printed circuit board wiring system, which includes: a reading module for reading a preset program file; the preset program file contains a program written according to the preset wiring rules Program instructions; the execution module is used to execute the program instructions to control the wiring equipment to wire the printed circuit board with parts according to the preset wiring rules.

In an embodiment of the present invention, the preset wiring rules include: wiring implementation rules; the wiring implementation rules include: specifying at least two wiring levels and their priorities, and specifying the attribute line types included in each wiring level; When wiring is implemented, the attribute lines of each level are laid out on the printed circuit board in this order of priority, and when the attribute lines of each level are laid out, they are laid out according to the shortest path of the attribute lines.

In an embodiment of the present invention, the preset wiring rules further include: wiring inspection rules; the wiring inspection rules include: specifying the layout standard corresponding to each attribute line; after completing the layout of an attribute line, check the attribute line Whether the layout result meets the corresponding wiring standard; if yes, implement the layout of the next attribute line; if not, adjust the wiring on the basis of the layout result until it meets the corresponding wiring standard.

In an embodiment of the present invention, the wiring implementation rule further includes: after all the attribute lines are laid out and meet the corresponding wiring standards, in the peripheral area of the preset type of attribute lines and the layers of the printed circuit board and the periphery The area corresponding to the area is dug out the clear area; the power layer is divided correspondingly according to each preset voltage value, and the grounding layer is divided.

In order to achieve the above objects and other related objects, the present invention provides a storage medium in which a computer program is stored, and the computer program is loaded and executed by a processor to implement the printed circuit board wiring method.

In order to achieve the above and other related purposes, the present invention provides an electronic device including: a processor and a memory; wherein the memory is used to store a computer program; the processor is used to load and execute the computer program so that the electronic The device executes the wiring method of the printed circuit board.

As mentioned above, the printed circuit board wiring method, wiring system, storage medium and electronic equipment of the present invention have the following beneficial effects:

1. Save wiring time and improve wiring efficiency;

2. Reduce wiring labor and reduce labor costs;

3. Simple implementation, wide application range, and strong practicability;

4. It is helpful to shorten the design cycle of PCB board and compete for the product market as soon as possible. .

The following describes the implementation of the present invention through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and the features in the embodiments can be combined with each other if there is no conflict.

It should be noted that the drawings provided in the following embodiments only illustrate the basic idea of the present invention in a schematic manner, so the drawings only show the components related to the present invention instead of the actual implementation of the number, shape and For the size drawing, the type, number, and ratio of each component can be changed at will during actual implementation, and the component layout type may be more complicated.

This embodiment provides a wiring method for a printed circuit board. Through automated and intelligent technical means, a bunch of clueless attribute lines as shown in FIG. 1 are arranged into products that meet the requirements as shown in FIG. Wiring efficiency and labor cost saving.

As shown in FIG. 3, the wiring method of the printed circuit board of this embodiment can be executed by a computer, a smart phone, a tablet computer, a smart wearable device, etc., and specifically includes the following steps:

S31: Read the default program file.

It should be noted that the preset wiring rules can be written into program instructions using any existing programming language to generate the preset program file, and the present invention does not limit the format of the preset program file.

In detail, the preset wiring rules in this embodiment include: wiring implementation rules and wiring inspection rules.

The wiring implementation rules refer to: first, specify at least two wiring levels and their priority, and specify the attribute line types included in each wiring level; then, when wiring is implemented, follow the priority order on the printed circuit board. The attribute lines of each level are laid out, and when the attribute lines of each level are laid out, they are laid out according to the shortest path of the attribute lines.

For example, three layout levels A, B, and C are specified. Among them, layout level A includes A1 type attribute lines, A2 type attribute lines, and A3 type attribute lines, layout level B includes B1 type attribute lines, and layout level C includes C1 type attribute line, C2 type attribute line, and stipulate that in the laying process, each type of attribute line in level A is first laid out, then each type of attribute line in level B is laid out, and finally each type in level C is laid out Attribute line. When laying out each attribute line in each level, lay out according to the shortest path of the attribute line respectively. As shown in Figure 4, the solid line represents the shortest path of a certain attribute line, and the dashed line represents the non-shortest path of a certain attribute line.

The wiring inspection rules include: First, specify the layout standards corresponding to each attribute line. For specific layout standards, please refer to the corresponding industry standards and product requirements; secondly, after completing the layout of an attribute line, check the layout of the attribute line Whether the result meets the corresponding wiring standard; if so, implement the layout of the next attribute line; if not, adjust the wiring on the basis of the layout result until it meets the corresponding wiring standard. Finally, after all the attribute lines are laid out and meet the corresponding wiring standards, the clearance area is dug out in the peripheral area of the preset type of attribute line and the area corresponding to the peripheral area of each layer of the printed circuit board; The preset voltage value divides the power layer and the ground layer accordingly.

S32: Execute the program instruction to control the wiring device to wire the printed circuit board with parts according to the preset wiring rule.

Preferably, the electronic device performing the wiring method of this embodiment is communicatively connected with the robotic arm. When the electronic device reads the preset program file and executes the program instructions therein, it can control the robotic arm to implement wiring on the PCB board according to the preset rules, and adjust the wiring that does not meet the requirements.

As shown in FIG. 5, the wiring method of this embodiment will be described below through a specific example.

In this example, the attribute lines to be laid are divided into three levels. High-speed lines (such as 15G high-speed lines) are the primary wiring lines, and a single 50 ohm (ohm) line (such as I ² C line, clock ) Lines, etc.) are secondary lines, while other insignificant miscellaneous lines are arranged at the end. In view of the respective layout standards of high-speed lines, 50-ohm single lines, and other miscellaneous lines, the wiring method of this example is implemented as follows:

Step S501: Open the PCB board with the parts placed;

Step S502: lay the high-speed line according to the shortest path principle;

Step S503: lay out a single wire of 50 ohm according to the principle of the shortest path;

Step S504: lay other miscellaneous lines according to the shortest path principle;

Step S505: Check whether the laid high-speed line meets the shortest stub layer change and whether the number of layer changes is the smallest, that is, whether the number of vias is the smallest; if so, perform step S506, otherwise, return to step S502;

Step S506: Check whether the laid high-speed line meets the requirements of keeping away from the copper foil of the power supply and the through holes; in particular, for the I2C line, check whether it meets the topological structure requirements; if yes, go to step S508, otherwise, go to step S507 ；

Step S507: Move the laid high-speed line to make the distance between the copper foil of the power supply and the through hole meet the requirements;

Step S508: Check whether the laid line meets the length requirement; if yes, go to step S510, otherwise, go to step S509;

Step S509: Adjust the line that does not meet the length requirements to meet the requirements; for example, if the line is too long, shorten the routing path to reduce the length of the line, if the line is too short, increase the length of the line by increasing the routing path ；

Step S510: Add through holes and dig the clearance area around the high-speed line; in particular, when digging the clearance area, not only the copper foil of the PCB layer where the high-speed line is located, but also other PCB layers in the vertical direction should also be emptied. Area;

Step S511: Divide the power layer and the ground layer.

All or part of the steps in the foregoing method embodiments can be completed by hardware related to computer programs. Based on this understanding, the present invention also provides a computer program product including one or more computer instructions. The computer instructions can be stored in a computer-readable storage medium. The computer-readable storage medium can be any usable medium that can be stored by a computer or a data storage device such as a server, a data center, or the like that includes one or more usable media integration. The available media can be magnetic media (such as floppy disks, hard disks, tapes), optical media (such as DVDs), or semiconductor media (such as solid state disks (Solid State Disk, SSD)).

Referring to FIG. 6, the present embodiment provides a printed circuit board wiring system 600, which is carried as a piece of software in an electronic device to execute the printed circuit board wiring method described in the foregoing method embodiment during operation. Since the technical principle of the present system embodiment is similar to the technical principle of the foregoing method embodiment, the same technical details will not be repeated.

The wiring system 600 of the printed circuit board of this embodiment specifically includes: a reading module 601 and an execution module 602. The reading module 601 is used to perform step S31 described in the foregoing method embodiment, and the execution module 602 is used to perform step S32 described in the foregoing method embodiment.

Those skilled in the art should understand that the division of each module in the embodiment of FIG. 6 is only a division of logical functions, and may be fully or partially integrated into one or more physical entities in actual implementation. And these modules can all be implemented in the form of software calling through processing components, or all implemented in the form of hardware, some modules may be implemented in the form of calling software through processing components, and some modules are implemented in the form of hardware. For example, the execution module 602 can be a separate processing component, or it can be integrated in a certain chip. In addition, it can also be stored in the memory in the form of program code, and a certain processing component can call and execute the execution module. 602 function. The implementation of other modules is similar. The processing element described here may be an integrated circuit with signal processing capability. In the implementation process, each step of the above method or each of the above modules can be completed by hardware integrated logic circuits in the processor element or instructions in the form of software.

Referring to FIG. 7, this embodiment provides an electronic device 70. The electronic device 70 may be a desktop computer, a portable computer, a smart phone, or other devices. In detail, the electronic device 70 at least includes a memory 72 and a processor 73 connected through the bus 71. The memory 72 is used to store computer programs, and the processor 73 is used to execute the computer programs stored in the memory 72 to execute All or part of the steps in the foregoing method embodiments.

The aforementioned system bus may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc. The system bus can be divided into address bus, data bus, control bus, etc. For ease of representation, the figure is only represented by a thick line, but it does not mean that there is only one busbar or one type of busbar. The communication interface is used to realize the communication between the data library retrieval device and other devices (such as the client, the read-write library and the read-only library). The memory may include random access memory (Random Access Memory, RAM for short), and may also include non-volatile memory (non-volatile memory), such as at least one magnetic disk memory.

The above-mentioned processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), etc.; it may also be a digital signal processor (Digital Signal Processing, DSP for short). ), Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware Body components.

In summary, the wiring method, wiring system, storage medium and electronic equipment of the printed circuit board of the present invention can automatically and intelligently realize the wiring of the printed circuit board, reduce labor costs and improve wiring efficiency. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial value.

The above-mentioned embodiments only exemplarily illustrate the principles and effects of the present invention, and are not used to limit the present invention. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the claims of the present invention.

S31~S32: steps S501~S511: steps 600: Wiring system for printed circuit boards 601: read module 602: Execution Module 70: electronic equipment 71: Bus 72: memory 73: processor

Figure 1 shows a schematic diagram of a printed circuit board and attribute lines before wiring is implemented. Figure 2 shows a schematic diagram of the printed circuit board and attribute lines after wiring. FIG. 3 is a schematic flowchart of a wiring method of a printed circuit board in an embodiment of the present invention. Figure 4 shows a schematic diagram of two wiring paths. FIG. 5 shows a schematic flowchart of a wiring method of a printed circuit board in another embodiment of the present invention. 6 shows a schematic diagram of a module of a wiring system of a printed circuit board in an embodiment of the present invention. FIG. 7 shows a schematic structural diagram of an electronic device in an embodiment of the invention.

S31~S32: steps

Claims (10)

A wiring method for a printed circuit board includes: reading a preset program file; the preset program file contains a program instruction written according to a preset wiring rule; executing the program instruction to control the wiring equipment according to the preset Wiring rules route the printed circuit boards with parts. The wiring method according to claim 1, wherein the preset wiring rule includes a wiring implementation rule; the wiring implementation rule includes: specifying at least two wiring levels and a priority order, and specifying the attribute lines included in each wiring level Type: When wiring is implemented, an attribute line of each level is laid out on the printed circuit board according to the priority order, and when the attribute line of each level is laid out, it is laid out according to the shortest path of the attribute line. The wiring method according to claim 2, wherein the preset wiring rule further includes: a wiring inspection rule; the wiring inspection rule includes: specifying the layout standard corresponding to each attribute line; after completing the layout of each attribute line Then, check whether a layout result of each attribute line meets the corresponding wiring standard; if so, implement the layout of the next attribute line; if not, adjust the wiring on the basis of the layout result until it meets the corresponding wiring standard . The wiring method according to claim 3, wherein the wiring implementation rules further include: after all the attribute lines are laid out and meet the corresponding wiring standards, in the peripheral area of the preset type of attribute lines and each layer of the printed circuit board The area corresponding to the surrounding area is dug out a clear space; the power layer is divided correspondingly according to each preset voltage value, and the grounding layer is divided. A wiring system for a printed circuit board includes: a reading module for reading a preset program file; the preset program file contains a program instruction written according to a preset wiring rule; an execution module, It is used to execute the program instructions to control the wiring equipment to wire the printed circuit board with parts according to the preset wiring rules. The wiring system according to claim 5, wherein the preset wiring rules include: a wiring implementation rule; the wiring implementation rules include: specifying at least two wiring levels and a priority order, and specifying the attributes included in each wiring level Line type: When wiring is implemented, the attribute lines of each level are laid out on the printed circuit board in this order of priority, and when the attribute lines of each level are laid out, they are laid out according to the shortest path of the attribute lines. The wiring system according to claim 6, wherein the preset wiring rule further includes: a wiring inspection rule; the wiring inspection rule includes: specifying the layout standard corresponding to each attribute line; after completing the layout of an attribute line, Check whether a layout result of the attribute line meets the corresponding wiring standard; if yes, implement the layout of the next attribute line; if not, adjust the wiring based on the layout result until it meets the corresponding wiring standard. The wiring system according to claim 7, wherein the wiring implementation rules further include: after all the attribute lines are laid out and meet the corresponding wiring standards, in a peripheral area of the preset type of attribute lines and each layer of the printed circuit board The area corresponding to the surrounding area is dug out a clear space; the power layer is divided according to each preset voltage value, and the ground layer is divided. A storage medium in which a computer program is stored, and the computer program is used to implement the printed circuit board wiring method as described in any one of Claims 1 to 4 when the computer program is loaded and executed by a processor. An electronic device, comprising: a processor and a memory; wherein the memory is used to store a computer program; the processor is used to load and execute the computer program, so that the electronic device executes the requirements 1 to 4 Any of the wiring methods of printed circuit boards.

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